Davis won the 400m. hurdles in a new Olympic time of 49.3 sec.戴维斯以49.3秒的成绩刷新奥运会纪录，在400米跨栏赛跑中一举夺冠。There are several hurdles to be got over in this project.在这项工程中有一些困难要克服.I came to the hurdles and stood looking over into t...
That anything novel ever surmounts these hurdles to evolve is astounding.任何能够跨越种种障碍以求进化的新颖事物都令人惊骇.Hurdling events are dashes in which competitors must clear a series of ten barriers called hurdles.在跨栏跑项目中运动员需要跨过十个栏.Davis...